To maximize efficacy, apply pre-emergence herbicides at or immediately after planting but before crop and weed emergence.

If weeds were a problem in your lawn last summer, the coming weeks are the time to apply a pre-emergence herbicide to prevent their emergence again this year. Timing of a pre-emergence herbicide ...

Learn why applying pre-emergent for winter weed control when it's too hot or too cold is a problem and get essential tips to ensure effective application.

In most cases, herbicide application should not be considered as a first option for weed control. Hand weeding, hoeing, and mulching are tedious but effective methods of weed control. Sometimes, ...

Pre-emergent herbicides stop weeds by attacking roots and shoots before they sprout. They also kill grass seed, so space seeding and spraying at least 12 weeks apart. Plan carefully to time both tasks ...

Spring is just around the corner, which means that summer weeds can’t be too far behind. Two common lawn weeds — grassburs (sandburs) and crabgrass — are warm-season annuals (or occasionally ...

Pre-emergent herbicides are truly the unsung heroes of weed prevention because they form an invisible barrier in the soil that stops weed seeds from sprouting. Gardeners and landscapers alike use them ...

Q: I have a hillside covered with rosemary. It’s filling in nicely and is currently weed-free. I’d like to avoid weeding it next spring. The slope is pretty steep, so weed cloth and/or mulch is not ...

I don't like to use chemicals on my lawn. I know pre-emergent herbicides are recommended spring and fall, but how important is this? - Brad K., Tulsa Herbicides are important only if your goal is a ...

Granulated corn gluten meal is less messy but also a little less effective than powdered corn gluten meal.(Howard Garrett / Special Contributor) Is it time to apply pre-emergent herbicides? Yes and no ...